Our Solutions
Our Solutions
Our Solutions for Your Next Project
Sewage and Wastewater Treatment
Eco SBR Advanced Wastewater Treatment
EcoTec Advanced EcoSBR Technology
The EcoTec advanced EcoSBR (Sequencing Batch Reactor) wastewater treatment technology is a highly efficient solution for modern sewage and wastewater treatment. EcoSBR systems are expertly designed to meet diverse application needs, providing superior treatment performance while offering excellent value for money, both in terms of initial investment and ongoing operational costs.
Key Features of EcoSBR Treatment Systems
- Advanced Treatment: EcoSBR systems employ cutting-edge technology to ensure the safe and effective removal of pollutants, resulting in clean, high-quality effluent. The effluent is suitable for discharge within DWS limits or can be economically upgraded for reuse thereby increasing investment returns.
- Compact Design: To save space and reduce construction costs, EcoSBR treatment takes place in a single chamber with equalisation, aeration, and clarification in a single tank.
- Automated Operation: EcoSBR Compact and Classic plants require minimal human intervention, as they can be operated and maintained by unskilled personnel.
- Cost-Effective: EcoSBR systems are more cost-effective to operate and maintain than traditional systems because:
- No expensive skilled personnel required
- Less electricity is used due to greater plant efficiency, higher oxygen transfer rates, and unique features such as water transfer by airlift and automatic switching to EcoSave mode in low inflow conditions
- Advanced Airlift Technology: A key innovation within our EcoSBR systems is the integration of advanced airlift technology, providing distinct operational and cost benefits:
- No Moving Mechanical Parts: Eliminates pump-related clogging, resulting in exceptional durability with minimal maintenance.
- Energy Efficiency: Wastewater transfer by airlift is more energy efficient, leading to reduced energy costs.
- Improved Safety: No electrical connections are required in the wastewater, enhancing operational safety.
- Less Sludge: The enhanced biological digestion process with Extended Solids Retention Time (SRT), results in substantially lower sludge production with reduced sludge disposal costs and extended de-sludging intervals of between 6 to 18 months.
- Versatile: EcoSBR can cope with shock loads and treat a wider range of wastewaters than traditional wastewater treatment systems.
- Efficient: EcoSBR systems are more efficient at removing pollutants than traditional plants as the batch process allows for better control over the treatment phases, leading to more effective removal of organic matter, nitrogen, and phosphorus.
- Flexible: Our EcoSBR solutions cater to various treatment capacities, from small households to large residential estates and industrial applications.
- Remote Monitoring, Control & Data Logging: Experience total peace of mind with our advanced Remote Monitoring, Control, and Data Logging upgrade for EcoSBR Classic and BNR treatment plants. Strategically placed sensors continuously monitor critical processes and components, delivering real-time insights and early warnings to prevent issues before they occur. In the event of a failure, instant alerts keep you informed—no matter where you are. Additionally, comprehensive data logging captures and stores operational data over time, enabling performance analysis, trend tracking, and regulatory reporting. This smart solution ensures optimal performance, reliability, and full visibility into your system’s operation.
Our EcoSBR Models
EcoSBR Compact
EcoSBR Classic
EcoSBR-BNR
Key Advantages of the EcoSBR-BNR Process:
- Chemical-Free Nutrient Removal: EcoSBR-BNR achieves comprehensive biological removal of critical nutrients like ammonia and phosphorus directly within the main treatment process. This eliminates the need for costly chemical dosing or separate treatment units, simplifying your operations and significantly reducing ongoing chemical expenses.
- Compact Footprint from Rapid AGS Settling: A standout feature of Aerobic Granular Sludge is its dense granules, which settle exceptionally fast – often within minutes. This drastically shortens SBR cycle times, boosting the plant’s overall treatment capacity and the smaller footprint (m3/KLD processed) improves the investment returns of the plant.
- Reduced Aeration & Operational Costs: The AGS process has a markedly lower aeration demand compared to traditional aerobic systems (e.g., ASP, MBBR, MBR). This reduction means blowers operate for shorter durations, leading to decreased energy costs and operational savings from reduced running times.
- Intelligent Automation & Process Adaptability: Benefit from fully automated operations with intelligent control systems that seamlessly adapt treatment processes in real-time. This responsive system adjusts to fluctuations in incoming wastewater characteristics, ensuring consistent, optimal performance under varying conditions.
- Modular Design for Scalability & Resilience: EcoSBR-BNR plants feature a smart modular design, often incorporating multiple reactor modules which are intelligently managed in parallel through a single control unit. This approach ensures high operational resilience, optimised system performance, and straightforward scalability by adding additional reactor modules for future growth or changing needs.
Ideal for Larger Capacities: The EcoSBR-BNR process is the premier solution for larger-scale sewage treatment plants, engineered to deliver exceptional performance and unwavering reliability for capacities ranging from 300 kL/day up to 5 MLD (Megalitres per Day).
Jäger ShearCon® – Elevating IFAS to the Next Level
The patented ShearCon® process redefines Integrated Fixed-Film Activated Sludge (IFAS) technology. By merging the proven CLERATEC® system with Jaeger Umwelt-Technik’s innovative aeration technology, ShearCon® delivers chemical-free, high-performance biomass—enabling up to 50% plant capacity expansion without the need for additional tanks and allowing for more compact designs in new installations.
Key Benefits of the ShearCon® Process
🌱 Enhanced Biodiversity
The unique BioCurlz media offers a large surface area that promotes the growth of diverse microorganisms. This environment favours slow-growing nitrifiers—essential for effective nitrogen removal—over faster-growing carbon-degrading species.
⚡ Superior Nitrification Rates
ShearCon® can double the nitrification rate compared to conventional systems, significantly boosting treatment efficiency.
💧 Improved Sludge Settling
With a Sludge Volume Index (SVI) typically between 60–85 mL/g, ShearCon® outperforms traditional municipal systems, which average around 120 mL/g—resulting in better sludge compaction and handling.
🔬 High Biomass Concentration
Efficient solid-liquid separation allows for MLSS concentrations up to twice the conventional limit, ensuring stable and robust treatment performance.
🌊 Cleaner Effluent, Lower Environmental Impact
The system enhances the removal of COD, BOD, and NH₄-N, delivering higher effluent quality and reducing the risk of suspended solids—minimizing environmental impact.
🧩 Modular & Maintainable Design
CLEARTEC® modules are easy to install and maintain. Individual modules can be removed during operation for inspection or servicing, offering unmatched flexibility.
🌀 Self-Cleaning, Clog-Resistant Media
The flexible BioCurlz media resists clogging and fouling, with a natural self-cleaning action that reduces maintenance and ensures long-term reliability.
CLEARTEC® Biocurlz consist of three-dimensional cords. The inner cords are made of polypropylene (PP). Connected to this are the loops or growth media which are polyvinylidene chloride (PVdC). The unique spiral movement of the loops is self-cleaning, as it dislodges heavier sludge particles that pass into the suspension and continue to participate in the cleaning process.
INCREASE THE TREATMENT CAPACITY AND WASTEWATER QUALITY WITHOUT ADDITIONAL CONSTRUCTION COSTS! The Jäger ShearCon process® is an innovative system that has increased treatment capacity while significantly improving wastewater quality, nitrification rate, and sludge settleability without the need for infrastructure expansion or additional construction.
Jäger CLEARTEC® – The quickest and most cost-effective way to increase aeration basin capacity by up to 50% without additional construction costs.
First Aqua Water Purification
First Aqua provides tailored, high-performance water purification solutions for a diverse range of clients.
Purification Services
- Potable Water Systems: We upgrade water from natural resources such as boreholes, rivers, and dams to meet SANS:241 standards for safe drinking water. Our solutions are ideal for homes, residential estates, businesses, and communities seeking reliable potable water.
- Water Reuse & Reclamation Solutions: Our advanced treatment systems recycle “used” or reclaimed wastewater to a quality suitable for a wide range of non-potable applications, including irrigation, industrial processes, dust suppression, and sanitation.
Pretreatment of Feed Water for Special Applications: We offer tailored pretreatment and processing solutions to achieve the standards required for special applications, ranging from food and beverage production to ultra-high purity levels needed for specific industrial, laboratory, or technical applications.
Advanced Purification Technologies
- Coagulation & Flocculation: Effective removal of suspended particles.
- Gravity Separation & Clarification: Utilizing settlers for efficient solids removal.
- Specialized Media Filtration: Employing advanced media like Activated Filter Media (AFM) and Granular Activated Carbon (GAC).
- Targeted Ion Exchange: For water softening, demineralization, and precise removal of specific ions, including heavy metals.
- High-Performance Membrane Filtration: Featuring Ultrafiltration (UF) and Reverse Osmosis (RO) for superior purity.
Why Recycle & Reuse Water?
The Smart Choice for South Africa.
- Reduce Operational Costs: Significantly lower your overall water expenditure and reliance on municipal supplies.
- Protect Our Environment: Actively contribute to a circular economy and lessen the strain on our precious natural water resources.
- Unlock Value from Wastewater: Certain recycling processes yield valuable by-products, such as nutrient recovery for agriculture or biogas production through anaerobic digestion for energy.
- Build Resilience Against Water Scarcity: Essential in largely water-stressed South Africa, which is prone to extended droughts and increasing water challenges.
In the face of climate change, population growth, urbanization, and increasingly unreliable utility supplies, securing a dependable water source is no longer a luxury—it’s a necessity. Water reuse with First Aqua offers a vital path to resilience, self-sufficiency, and sustainability.
Biogas
Clean Green Energy from Waste
At Selecta, in partnership with AD Solutions GmbH, we design, build, and commission profitable biogas and biomethane (BioCNG) systems that replace liquid fossil fuels with clean, renewable energy. Our systems can provide a quick ROI as producing methane-rich gas at 30% to 50% less per gigajoule (GJ) than diesel or heavy fuel oil (HFO).
Applications include:
- Electricity Generation: Replace diesel or HFO in generators at remote mines that are not grid connected or face power rationing.
- Transport Fleets: Upgrade trucks, buses, and heavy-duty vehicles with dual-fuel conversions, allowing them to run on a blend of diesel and BioCNG.
* Fuel and electricity prices fluctuate continually, influenced by various factors including international commodity markets, exchange rates, government-imposed taxes and levies, and the location of consumption. Biogas pricing is primarily shaped by the cost and availability of feedstock, project financing costs, and proximity to markets. The prices presented should be considered indicative rather than definitive.
Driving Biogas Innovation: Selectra Partners with AD Solutions
Selectra is excited to partner with AD Solutions, a leading biogas specialist with over 20 years of industry experience.
This strategic alliance integrates AD Solutions’ advanced biogas project capabilities into the Selectra platform, providing our customers with access to innovative and efficient sustainable energy solutions. AD Solutions’ expertise spans the entire biogas project lifecycle, including research, concept innovation, technology adaptation, equipment procurement, installation oversight, commissioning, and comprehensive operator training.
Experience the Benefits:
- Optimized Biogas Project Design: AD Solutions’ detailed engineering expertise ensures maximum efficiency and environmental responsibility.
- Seamless Project Execution: From initial concept to final commissioning, benefit from comprehensive, end-to-end support.
Selectra and AD Solutions are dedicated to advancing the renewable energy sector by providing our customers with reliable and highly effective biogas solutions.
Bioenergy for Mines
Sustainable Architecture by Selectra
Transforming Impacted Mine Land into Clean Energy Farms
Selectra, in collaboration with leading partners, has pioneered a breakthrough approach to mine rehabilitation—converting degraded, non-food producing land into productive bioenergy farms. This innovative model not only reduces mining costs but also delivers low-cost, renewable energy while helping combat climate change.
GKG 5 months after planting on a gold mine tailings footprint
How It Works
- Energy Crops on Marginal Land: Fast-growing crops are cultivated on mine-impacted land unsuitable for food production.
- Carbon Sequestration: These crops absorb CO₂ from the atmosphere and store a portion in their root systems, reducing greenhouse gas emissions.
- Fossil Fuel Replacement: The harvested biomass is converted into clean energy, replacing diesel and other fossil fuels.
- Phytoremediation: The plants also help remove heavy metals and contaminants from the soil, restoring ecological balance.
💡 Why It Matters
Mining often leaves behind land that is chemically and physically degraded—posing environmental risks and offering little economic value. Traditional rehabilitation methods are costly and yield limited benefits.
The Selectra Process:
- Stabilizes and restores disturbed land
- Arrests pollution and dust generation
- Converts liabilities into economically viable, sustainable assets
- Aligns with global rehabilitation and ESG standards
Harvesting and ensiling GKG for biogas feedstock
DiBiCOO
Selectra and the DiBiCoo Project: Driving Successful Biogas Projects
Selectra was a proud and active partner in the Digital Global Biogas Cooperation (DiBiCoo) Project, an ambitious 33-month initiative funded by the European Union’s Horizon 2020 programme. DiBiCoo was dedicated to fostering sustainable biogas and bioenergy markets by connecting European technology and expertise with developing and emerging countries. These included South Africa, Ghana, Ethiopia, Argentina, and Indonesia.
A key aspect of our involvement was gaining a deep understanding of the conditions required for successful biogas plants in emerging markets, as well as identifying the reasons behind past high failure rates. This valuable insight continues to inform our work, ensuring we deliver robust and effective biogas solutions.
Programme Participation
